i just looked it up:
Qatar: lost against Berrer 1R, Berrer lost 2R
AO: lost against Berdych QF, Berdych lost SF to Murray
Rio: lost against Fognini in SF, Fognini lost Finals against Ferrer
IW: lost against Raonic in QF, Raonic lost against Federer in SF
Miami: lost against Verdasco in 3R, Verdasco lost in 4R
Monte Carl: lost against Djoker in SF, Djoker wins tournament
Barcelona: lost against Fognini 3R, Fognini lost in 4R
Madrid: lost in Finals to Murray
Rome: lost to Wawa in QF, Wawa lost to Federer in SF
French Open: lost to Djokovic in QF, Djokovic won SF but lost Finals to Wawa
Queens: lost to Dolgolopov 1R, Dolgo lost 2R
Wimby: lost to Brown 2R, Brown lost 3R
Montreal: lost to Kei QF, Kei lost to Murray SF
Cincy: lost to Lopez 3R, Lopez lost 4R against Federer
USO: lost to Fognini 3R, Fognini lost 4R round against Lopez